Department of Dermatology, Medical Park Bahçelievler Hospital, istanbul
2.Department of Biochemistry, istanbul University ‹stanbul Medical Faculty, İstanbul
3.Departments of Pathology, Acıbadem University School of Medicine, İstanbul
4.Departments of Oncology and Gastroenterohepatology, Acıbadem University School of Medicine, İstanbul
5.Departments of Internal Medicine, Surgery and Pathology of Cerrahpaşa Medical Faculty of the University of İstanbul
6.Departments of Gastroenterology, Acıbadem University, School of Medicine, İstanbul